[R] image ()
ihaka at stat.auckland.ac.nz
Tue Dec 8 10:21:34 CET 1998
Zivan Karaman writes:
> Since it is time to give our wish list regarding the image function, I'll
> simply resubmit the message that I've sent some time ago. I would
> appreciate being able to produce the same type of display in R as one can
> do in S+.
The problem is that way that the numbers are aligned on the grid. In
the R image plot, the cells on the boundary are half the width/height
of those in the middle of the plot. This is a artifact which occurs
because I wanted to overlay contours over the image data, and have
those contours extend to the edge of the plot -- this was a cheap and
nasty way of obtaining filled contours.
We will soon have genuinely filled contours and the necessity for
doing this kind of cheap trick will go away. I've put a review of
image on the TODO list.
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